Hennessey is notorious for taking automakers’ engines and making them insanely powerful. The Texas tuner’s latest project takes the Dodge Challenger SRT Demon 170, which is already insanely powerful with 1,025 horsepower under the hood, and cranks it up to 1,700 hp. Hennessey’s Demon 1700 Twin-Turbo will have, as the name suggests, a twin-turbo system instead of a supercharger.
- Base Trim Engine
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6.2L Supercharged V8 Gas
- Base Trim Transmission
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8-Speed Automatic
- Base Trim Drivetrain
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Rear-Wheel Drive
After a year and a half of development, it has just hit the dyno in spectacular fashion. The engine sounds demonic with its raw exhaust being mixed with the sound of twin turbos sucking in air. Once humming, it doesn’t take long for the headers to start glowing red.
Ram CEO Tim Kuniskis Loves The Power
To get the Hemi V8 to generate an additional 700 hp over stock, Hennessey made a blueprint of the original engine then hand-built a new one to an even more exacting specification. It contains freshly forged internals, a new cooling system, and of course, the twin-turbo induction system feeding air. Under full throttle, it sings not unlike a standard force-fed Hemi. But stick around for the turbo whoosh as the revs come back down.
Throughout the video, we get a glimpse of someone you might recognize. Who is that high-fiving John Hennessey? Yes, it’s none other than Ram CEO Tim Kuniskis. Could this mean some kind of Ram/Hennessey performance project is in the works?
While we’d love to go hog wild with speculation, the simple answer is almost certainly no. Lest we forget, Kuniskis was the former CEO for Dodge and the shepherd of all the Last Call Challengers, including the Demon 170. This was likely nothing more than Hennessey showing Timmy K what a built Demon engine could do.
The Swansong Of the Street-Driveable Dragster
The Dodge Challenger SRT Demon 170 was the final send-off to the supercharged V8 for Dodge, arriving in 2023 with 1,025 horsepower and 945 pound-feet of torque when running E85 fuel. Dodge claimed a zero to 60 mph time of 1.66 seconds and a quarter-mile time of 8.91 seconds at 151.2 mph for the mental muscle car. That’s blisteringly fast for a race car, never mind something street legal. To our knowledge, nobody has managed to repeat those speeds. Of course, the Demon 170 needs a prepped race track to achieve those times. Some hypercars are running close to these stats without such a sticky surface.
Related
The Original Dodge Demon Dates Back To 1971
The Dodge Demon is rembered as a performance-focused offering. The first of its kind debuted in 1971.
“We are happy to announce that we’ve created a new division within the company that allows us to build mega-powerful vehicles in small production runs. Taking my new Dodge Demon 170, removing the blower, adding a pair of turbos, and increasing power from 1,025 to 1,700 horsepower was exactly what we’ve been wanting to do.”
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Hennessey Makes 850 HP The New Normal For Mustang GT
Hennessey’s latest Mustang can gallop, and active aero helps rein it in.
Hennessey has set up a new department called Hennessey Special Operations (HSO) that’s planning to make 15 to 20 vehicles per year, but only 12 of the Demon 1700 Twin-Turbo will be built. And they won’t be cheap – expect to pay upwards of $200,000 for just the conversion. You still need the car, which could also be another quarter-million … if you can find one for sale.
Source: Hennessey Performance
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